
| OKATECH
Dutch Embassy

| OKATHERM
B4/B6 Headquarters debis AG

| OKASOLAR S
House of Deputies Berlin

| OKALUX+
"Mittelland" sports hall Barleben

| OKATECH
Erasmus University

| OKAWOOD
University of Technology and Economics

| OKALUX K
Institute for Textil - RWTH

| OKATECH, OKATHERM